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frontend/providers/applaunchpad/src/pages/api/v1alpha/updateReplica.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,101 @@ | ||
| import type { NextApiRequest, NextApiResponse } from 'next'; | ||
| import { ApiResp } from '@/services/kubernet'; | ||
| import { authSession } from '@/services/backend/auth'; | ||
| import { getK8s } from '@/services/backend/kubernetes'; | ||
| import { jsonRes } from '@/services/backend/response'; | ||
| import { pauseKey } from '@/constants/app'; | ||
|
|
||
| type UpdateReplicaParams = { | ||
| appName: string; | ||
| replica: string; | ||
| }; | ||
| export default async function handler(req: NextApiRequest, res: NextApiResponse<ApiResp>) { | ||
| try { | ||
| const { appName, replica } = req.body as UpdateReplicaParams; | ||
| console.log(appName, replica); | ||
|
|
||
| if (!appName) { | ||
| throw new Error('appName is empty'); | ||
| } | ||
|
|
||
| let result; | ||
|
|
||
| if (Number(replica) === 0) { | ||
| await PauseApp({ appName, replica, req }); | ||
| result = 'Application suspended successfully'; | ||
| } else { | ||
| result = 'test'; | ||
| } | ||
|
|
||
| jsonRes(res, { data: result }); | ||
| } catch (err: any) { | ||
| jsonRes(res, { | ||
| code: 500, | ||
| error: err | ||
| }); | ||
| } | ||
| } | ||
|
|
||
| export async function PauseApp({ | ||
| appName, | ||
| replica, | ||
| req | ||
| }: UpdateReplicaParams & { req: NextApiRequest }) { | ||
| const { apiClient, k8sAutoscaling, getDeployApp, namespace } = await getK8s({ | ||
| kubeconfig: await authSession(req.headers) | ||
| }); | ||
|
|
||
| const app = await getDeployApp(appName); | ||
| if (!app.metadata?.name || !app?.metadata?.annotations || !app.spec) { | ||
| throw new Error('app data error'); | ||
| } | ||
|
|
||
| // store restart data | ||
| const restartAnnotations: Record<string, string> = { | ||
| target: '', | ||
| value: '' | ||
| }; | ||
|
|
||
| const requestQueue: Promise<any>[] = []; | ||
|
|
||
| // check whether there are hpa | ||
| try { | ||
| const { body: hpa } = await k8sAutoscaling.readNamespacedHorizontalPodAutoscaler( | ||
| appName, | ||
| namespace | ||
| ); | ||
| restartAnnotations.target = hpa?.spec?.metrics?.[0]?.resource?.name || 'cpu'; | ||
| restartAnnotations.value = `${ | ||
| hpa?.spec?.metrics?.[0]?.resource?.target?.averageUtilization || 50 | ||
| }`; | ||
| requestQueue.push(k8sAutoscaling.deleteNamespacedHorizontalPodAutoscaler(appName, namespace)); // delete HorizontalPodAutoscaler | ||
| } catch (error: any) { | ||
| if (error?.statusCode !== 404) { | ||
| return Promise.reject('无法读取到hpa'); | ||
| } | ||
| } | ||
|
|
||
| // replace source file | ||
| app.metadata.annotations[pauseKey] = JSON.stringify(restartAnnotations); | ||
| app.spec.replicas = 0; | ||
|
|
||
| requestQueue.push(apiClient.replace(app)); | ||
|
|
||
| return await Promise.all(requestQueue); | ||
| } | ||
|
|
||
| export async function StartApp({ | ||
| appName, | ||
| replica, | ||
| req | ||
| }: UpdateReplicaParams & { req: NextApiRequest }) { | ||
| const { apiClient, getDeployApp, applyYamlList } = await getK8s({ | ||
| kubeconfig: await authSession(req.headers) | ||
| }); | ||
|
|
||
| const app = await getDeployApp(appName); | ||
|
|
||
| if (!app.metadata?.name || !app?.metadata?.annotations || !app.spec) { | ||
| throw new Error('app data error'); | ||
| } | ||
| } |
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